RP-SMA Bulkhead Crimp connector for 195, RG-58 series cable.
RP-SMA Series coaxial connectors are medium-sized, threaded coupling connectors designed for use from DC to 11 GHz.
Their consistently low broadband VSWR have made them popular over the years in many applications.
The RP-SMA series connector is impedance matched to 50 ohm cables.